removed WXWIN_COMPATIBILITY_2_4 from common and wxMSW files (patch 1675546)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@44625 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/treebase.h

@@ -70,13 +70,7 @@ public:
         // invalidate the item
     void Unset() { m_pItem = 0; }
 
-#if WXWIN_COMPATIBILITY_2_4
-    // deprecated: only for compatibility, don't work on 64 bit archs
-    wxTreeItemId(long item) { m_pItem = wxUIntToPtr(item); }
-    operator long() const { return (long)wxPtrToUInt(m_pItem); }
-#else // !WXWIN_COMPATIBILITY_2_4
     operator bool() const { return IsOk(); }
-#endif // WXWIN_COMPATIBILITY_2_4/!WXWIN_COMPATIBILITY_2_4
 
     wxTreeItemIdValue m_pItem;
 };